Welcome to TechScreen

Welcome to the TechScreen site. This side shall support the exchange of knowledge in the domain of Web Engineering and related aspects. As a side effect, this side is used for research on knowledge management technologies. User can pose challenges in the problem domain and can participate in quizzes. Further a bibliography about arcticles in different related domains is continously extended. Finally, questionnaires on different issues are provided. To be able to participate you need an account and a password from TU Wien's TISS system.

Multilanguage in JavaScript

The problem is to provide methods and necessary data for JavaScript to be able to translate Strings which are shown on the page into different languages. Considering the webdesigner shouldnt have too much work to implement it, the function should be easy to use.

Store and share files across the internet

In modern life, people change devices many times a day. However, very often, they work with the same files. When transferring files by hard-disks, USB sticks, other external storage or sending by mail, you can easily become a victim of many different fragmented versions. Nowadays, however there are systems available that solve that problem by storing your data in the cloud.

Online timetable management

With calendar software it is easily possible to manage timetables of many people. Simple login and occupying time information is enough to manage meeting times.

Enable SSL TCP Connections for Postgresql 9.1

How can I enable a secure ssl connection for an postgresql 9.1 server.

Oracle connection error

When you have just installed a database or client Oracle on a computer and want to connect with the parameters that have defined, it generates the error message: ORA-12154: TNS: Could not resolve the connect identifier specified.

Event Handling in Javascript IE and Mozilla

As scripted sites can be very useful to users and EventHandlers in Javascript are a nice feature if you have a more complex site, we want to create a Method so EventHandlers will be recognized in Internet Explorer as well as in Mozilla browser and function as intended.

E-Mail Filters

Many people get huge amounts of mail every day. It can be painful to sort, categorize and handle all those mails manually.

AutoComplete input box

For the improvement of user experience on a web site it is useful to provide a autocomplete element on some inputs. On the Internet there are many scripts available for download which implement autocomplete functionality. Unfortunately most of them are not functioning properly in all web browsers or have other important drawbacks - are not skinable, not flexible for different uses, etc. We want to implement a good autocomplete widget which would not have all the mentioned disadvatages.

Configure a Servlet in Tomcat

<ul> <li>Create a Servlet class and add it to your webapplication<li> <li>Configure tomcat so he knows who to call the servlet</li> <li>Test if the servlet is called, if the url is entered into the browser</li> <ul>

Embed Calendar

When creating Blogs or Websites, it's sometimes helpful to have a calendar on the site. This is often needed to inform certain members of a group or organization about a schedule or certain events. While it can be painful to create a calendar on your own, there are online calendars which can be embedded into a webpage very easily. Task: <ul><li>Find an online calendar of your choice.</li> <li>Learn how to embed this calendar into your webpage.</li> <li>Try to customize color and size of the calendar.</li></ul>

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